 dmpage unlike our own world oerth 's calendar is quite well-regulated with no variation from day to day every day has exactly 24 hours and every year has exactly 364 days each year has 12 months of 28 days divided into 4 weeks of 7 days each and 4 week-long festivals every three months this calendar system is intimately connected to the changes of luna and celene as seen from oerth ; luna waxes and wanes in patterns of 28 days each while celene follows a slower change over time taking a cycle of 91 days this means that while every festival shows celene 's full majesty luna makes a slow shift due to the fests causing it to become full earlier each month until it wraps around completely by the next year - style vertical-align top; class wikitable - colspan 2 days of the week - day task - starday work - sunday work - moonday work - godsday worship - waterday work - earthday work - freeday rest class wikitable - colspan 2 months of the year - month festival season - colspan 2 style text-align center; needfest midwinter - fireseek winter - readying spring - coldeven spring - colspan 2 style text-align center; growfest - planting low summer - flocktime low summer - wealsun low summer - colspan 2 style text-align center; richfest midsummer - reaping high summer - goodmonth high summer - harvester high summer - colspan 2 style text-align center; brewfest - patchwall autumn - ready'reat autumn - sunsebb winter 